摘要:
The present invention is concerned with a material comprising: a matrix material comprising a plurality of urethane and/or urea and/or isocyanurate groups and having a hardblock content of more than 75% (hereinafter called matrix A); and a polymeric material which 1) has no groups which are able to form a urethane, urea or isocyanurate group with an isocyanate group, 2) exhibits a phase change as measured by differential scanning calorimetry (DSC) in the temperature range −10° C. to +60° C. with an enthalpy ΔHm of at least 87 kJ/kg, 3) is interpenetrating said matrix A, and 4) has an average molecular weight of more than 700 and comprises at least 50% by weight of oxyalkylene groups, based on the weight of this material, wherein at least 85% of the oxyalkylene groups are oxyethylene groups (hereinafter called polymeric material B); and wherein the relative amount of said matrix A and of said polymeric material B, on a weight basis, ranges from 15:85 to 75:25. Process for preparing such material.
摘要:
A process for preparing a polyisocyanurate polyurethane material, which process comprises reacting a polyisocyanate and an isocyanate-reactive composition, wherein the reaction is conducted at an isocyanate index of 1600 to 100,000 and in the presence of a trimerization catalyst, wherein the polyisocyanate comprises a) 75-100% by weight of diphenylmethane diisocyanate comprising at least 40%, preferably at least 60% and most preferably at least 85% by weight of 4,4′-diphenylmethane diisocyanate and/or a variant of said diphenylmethane diisocyanate which variant is liquid at 25° C. and has an NCO value of at least 20% by weight (polyisocyanate a), and b) 25-0% by weight of another polyisocyanate (polyisocyanate b), the amount of polyisocyanate a) and polyisocyanate b) being calculated on the total amount of this polyisocyanate a) and polyisocyanate b), and wherein the isocyanate-reactive composition comprises a) 80-100% by weight of a polyether polyol having an average nominal functionality of 2-6, an average equivalent weight of 1100-5000 and an oxyethylene (EO) content of 65-100% by weight and b) 20-0% by weight of one or more other isocyanate-reactive compounds, the amount of polyol a) and isocyanate-reactive compound b) being calculated on the total amount of this polyol a) and compound b).
摘要:
Composition obtained by reacting a polyisocyanate which is a diphenylmethane diisocyanate, optionally comprising a homologue comprising 3 or more isocyanate groups, and/or a variant of such diisocyanate with a monoalkylether of a polyoxyalkylene monoamine having an average molecular weight of 550-3000 and an oxyethylene content of more than 50% by weight, calculated on the weight of the monoamine, and the alkyl group having 1-4 carbon atoms at index of 100-250. It is used as plasticizer, particularly in polyurethane and/or polyurea materials.
摘要:
Foamed material having a density of less than 100 kg/m3 and comprising a matrix material comprising a plurality of urea groups and having a hardblock content of more than 50% (hereinafter called matrix A); and a polymeric material which 1) has no groups which are able to form a urethane, urea or isocyanurate group with an isocyanate group, 2) is interpenetrating said matrix A, and 3) is a polymer having an average molecular weight of more than 500 which polymer comprises at least 50% by weight of oxyethylene groups based on the weight of this polymer (hereinafter called polymeric material B); and wherein the relative amount of all ingredients used to make said matrix A and of said polymeric material B, on a weight basis, ranges from 10:90 to 70:30 and process for making such materials.
摘要翻译:具有小于100kg / m 3的密度的发泡材料,并且包含包含多个脲基并且具有大于50%的硬嵌段含量的基质材料(以下称为基质A); 和1)不具有能够与异氰酸酯基形成氨基甲酸酯,脲或异氰脲酸酯基的基团的聚合物材料,2)互穿所述基质A,和3)是平均分子量大于500的聚合物 该聚合物包含至少50重量%的基于该聚合物重量的氧化乙烯基团(以下称为聚合物材料B); 并且其中用于制备所述基质A和所述聚合物材料B的所有成分的相对量以重量为基准在10:90至70:30的范围内以及制备这种材料的方法。
摘要:
Elastomeric material having a density of more than 100 kg/m3 and comprising a matrix material comprising a plurality of urethane, urea and/or isocyanurate groups and having a hardblock content of more than 50% (hereinafter called matrix A); and a polymeric material which 1) has no groups which are able to form a urethane, urea or isocyanurate group with an isocyanate group, 2) is interpenetrating said matrix A, and 3) is the reaction product of a polyisocyanate and a polymer having an average molecular weight of more than 500 and one isocyanate-reactive group at an isocyanate index of 100-250 (hereinafter called polymeric material B); and wherein the relative amount of all ingredients used to make said matrix A and of said polymeric material B, on a weight basis, ranges from 10:90 to 90:10 and process for making such materials.
摘要翻译:密度大于100kg / m 3的弹性体材料,其包含多个氨基甲酸酯,脲和/或异氰脲酸酯基,并且具有大于50%的硬嵌段含量的基体材料(以下称为基体A); 和1)不具有能够与异氰酸酯基形成氨基甲酸酯,脲或异氰脲酸酯基的基团的聚合物材料,2)互穿所述基质A,和3)是多异氰酸酯和具有 平均分子量大于500,异氰酸酯指数为100-250的异氰酸酯反应性基团(以下称为聚合材料B); 并且其中用于制备所述基质A和所述聚合物材料B的所有成分的重量的相对量为10:90至90:10,并且用于制备这种材料的方法。
摘要:
Foamed material having a density of less than 100 kg/m3 and comprising a matrix material comprising a plurality of urea groups and having a hardblock content of more than 50% (hereinafter called matrix A); and a polymeric material which 1) has no groups which are able to form a urethane, urea or isocyanurate group with an isocyanate group, 2) is interpenetrating said matrix A, and 3) is a polymer having an average molecular weight of more than 500 which polymer comprises at least 50% by weight of oxyethylene groups based on the weight of this polymer (hereinafter called polymeric material B); and wherein the relative amount of all ingredients used to make said matrix A and of said polymeric material B, on a weight basis, ranges from 10:90 to 70:30 and process for making such materials.
摘要翻译:具有小于100kg / m 3的密度的发泡材料,并且包含包含多个脲基并且具有大于50%的硬嵌段含量的基质材料(以下称为基质A); 和1)不具有能够与异氰酸酯基形成氨基甲酸酯,脲或异氰脲酸酯基的基团的聚合物材料,2)互穿所述基质A,和3)是平均分子量大于500的聚合物 该聚合物包含至少50重量%的基于该聚合物重量的氧化乙烯基团(以下称为聚合物材料B); 并且其中用于制备所述基质A和所述聚合物材料B的所有成分的相对量以重量为基准在10:90至70:30的范围内以及制备这种材料的方法。
摘要:
Process for preparing a composition by reacting a polyisocyanate, a monoalkoxy polyoxyalkylene monoamine and water. The composition and its use in making cellular products are claimed as well.
摘要:
The present invention is concerned with a material comprising: a matrix material comprising a plurality of urethane and/or urea and/or isocyanurate groups and having a hardblock content of more than 75% (hereinafter called matrix A); and a polymeric material which 1) has no groups which are able to form a urethane, urea or isocyanurate group with an isocyanate group, 2) exhibits a phase change as measured by differential scanning calorimetry (DSC) in the temperature range −10° C. to +60° C. with an enthalpy ΔHm of at least 87 kJ/kg, 3) is interpenetrating said matrix A, and 4) has an average molecular weight of more than 700 and comprises at least 50% by weight of oxyalkylene groups, based on the weight of this material, wherein at least 85% of the oxyalkylene groups are oxyethylene groups (hereinafter called polymeric material B); and wherein the relative amount of said matrix A and of said polymeric material B, on a weight basis, ranges from 15:85 to 75:25. Process for preparing such material.
摘要:
Process for preparing a composition by reacting a polyisocyanate, a monoalkoxy polyoxyalkylene monoamine and water. The composition and its use in making cellular products are claimed as well.